Question

solve (√10+√3)(√10-√3)​

Answer 1

Answer:

(✓10)²-(✓3)² = 10-3 = 7

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Answer 2

Answer:

$( \sqrt{10} + \sqrt{3} )( \sqrt{10} - \sqrt{3} ) \\ \\ = {( \sqrt{10}) }^{2} - {( \sqrt{3}) }^{2} \\ \\ = 10 - 3 \\ \\ = 7 \\ \\ formula \: used \\ \\ (a + b)(a - b) \\ \\ = {a}^{2} - {b}^{2}$

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